EntityQ1317825· pop 11· linked from 109 articlesice wedgeSign in to savecrack in the ground formed by a narrow vertical block of iceWikidata factsSubclass oflandformvia Wikidata · CC0ConnectionssolifluctionEntityPatterned groundEntityperiglacial processEntityArctic methane emissionsEntityGelisolEntityecologyEntitygeologyEntityarchaeologyEntityiceEntityYakutskEntitypolygonEntitytundraEntitydigital object identifierEntityclimatologyEntityhydrologyEntitywedgeEntitybiomeEntitypeatEntitybiogeographyEntitygeomorphologyEntityCategoriesPatterned groundsPeriglacial landformsPermafrost